//#import "GCDAsyncSocket.h"
//#import "HTTPServer.h"
//#import "HTTPConnection.h"
//#import "HTTPMessage.h"
//#import "HTTPResponse.h"
//#import "HTTPAuthenticationRequest.h"
//#import "DDNumber.h"
//#import "DDRange.h"
//#import "DDData.h"
//#import "HTTPFileResponse.h"
//#import "HTTPAsyncFileResponse.h"
//#import "WebSocket.h"
//#import "HTTPLogging.h"
//
//#if ! __has_feature(objc_arc)
//#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
//#endif
//
//// Log levels: off, error, warn, info, verbose
//// Other flags: trace
//static const int httpLogLevel = HTTP_LOG_LEVEL_WARN; // | HTTP_LOG_FLAG_TRACE;
//
//// Define chunk size used to read in data for responses
//// This is how much data will be read from disk into RAM at a time
//#if TARGET_OS_IPHONE
//  #define READ_CHUNKSIZE  (1024 * 256)
//#else
//  #define READ_CHUNKSIZE  (1024 * 512)
//#endif
//
//// Define chunk size used to read in POST upload data
//#if TARGET_OS_IPHONE
//  #define POST_CHUNKSIZE  (1024 * 256)
//#else
//  #define POST_CHUNKSIZE  (1024 * 512)
//#endif
//
//// Define the various timeouts (in seconds) for various parts of the HTTP process
//#define TIMEOUT_READ_FIRST_HEADER_LINE       30
//#define TIMEOUT_READ_SUBSEQUENT_HEADER_LINE  30
//#define TIMEOUT_READ_BODY                    -1
//#define TIMEOUT_WRITE_HEAD                   30
//#define TIMEOUT_WRITE_BODY                   -1
//#define TIMEOUT_WRITE_ERROR                  30
//#define TIMEOUT_NONCE                       300
//
//// Define the various limits
//// MAX_HEADER_LINE_LENGTH: Max length (in bytes) of any single line in a header (including \r\n)
//// MAX_HEADER_LINES      : Max number of lines in a single header (including first GET line)
//#define MAX_HEADER_LINE_LENGTH  8190
//#define MAX_HEADER_LINES         100
//// MAX_CHUNK_LINE_LENGTH : For accepting chunked transfer uploads, max length of chunk size line (including \r\n)
//#define MAX_CHUNK_LINE_LENGTH    200
//
//// Define the various tags we'll use to differentiate what it is we're currently doing
//#define HTTP_REQUEST_HEADER                10
//#define HTTP_REQUEST_BODY                  11
//#define HTTP_REQUEST_CHUNK_SIZE            12
//#define HTTP_REQUEST_CHUNK_DATA            13
//#define HTTP_REQUEST_CHUNK_TRAILER         14
//#define HTTP_REQUEST_CHUNK_FOOTER          15
//#define HTTP_PARTIAL_RESPONSE              20
//#define HTTP_PARTIAL_RESPONSE_HEADER       21
//#define HTTP_PARTIAL_RESPONSE_BODY         22
//#define HTTP_CHUNKED_RESPONSE_HEADER       30
//#define HTTP_CHUNKED_RESPONSE_BODY         31
//#define HTTP_CHUNKED_RESPONSE_FOOTER       32
//#define HTTP_PARTIAL_RANGE_RESPONSE_BODY   40
//#define HTTP_PARTIAL_RANGES_RESPONSE_BODY  50
//#define HTTP_RESPONSE                      90
//#define HTTP_FINAL_RESPONSE                91
//
//// A quick note about the tags:
//// 
//// The HTTP_RESPONSE and HTTP_FINAL_RESPONSE are designated tags signalling that the response is completely sent.
//// That is, in the onSocket:didWriteDataWithTag: method, if the tag is HTTP_RESPONSE or HTTP_FINAL_RESPONSE,
//// it is assumed that the response is now completely sent.
//// Use HTTP_RESPONSE if it's the end of a response, and you want to start reading more requests afterwards.
//// Use HTTP_FINAL_RESPONSE if you wish to terminate the connection after sending the response.
//// 
//// If you are sending multiple data segments in a custom response, make sure that only the last segment has
//// the HTTP_RESPONSE tag. For all other segments prior to the last segment use HTTP_PARTIAL_RESPONSE, or some other
//// tag of your own invention.
//
//@interface HTTPConnection (PrivateAPI)
//- (void)startReadingRequest;
//- (void)sendResponseHeadersAndBody;
//@end
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark -
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//@implementation HTTPConnection
//
//static dispatch_queue_t recentNonceQueue;
//static NSMutableArray *recentNonces;
//
///**
// * This method is automatically called (courtesy of Cocoa) before the first instantiation of this class.
// * We use it to initialize any static variables.
//**/
//+ (void)initialize
//{
//	static dispatch_once_t onceToken;
//	dispatch_once(&onceToken, ^{
//		
//		// Initialize class variables
//		recentNonceQueue = dispatch_queue_create("HTTPConnection-Nonce", NULL);
//		recentNonces = [[NSMutableArray alloc] initWithCapacity:5];
//	});
//}
//
///**
// * Generates and returns an authentication nonce.
// * A nonce is a  server-specified string uniquely generated for each 401 response.
// * The default implementation uses a single nonce for each session.
//**/
//+ (NSString *)generateNonce
//{
//	// We use the Core Foundation UUID class to generate a nonce value for us
//	// UUIDs (Universally Unique Identifiers) are 128-bit values guaranteed to be unique.
//	CFUUIDRef theUUID = CFUUIDCreate(NULL);
//	NSString *newNonce = (__bridge_transfer NSString *)CFUUIDCreateString(NULL, theUUID);
//	CFRelease(theUUID);
//	
//	// We have to remember that the HTTP protocol is stateless.
//	// Even though with version 1.1 persistent connections are the norm, they are not guaranteed.
//	// Thus if we generate a nonce for this connection,
//	// it should be honored for other connections in the near future.
//	// 
//	// In fact, this is absolutely necessary in order to support QuickTime.
//	// When QuickTime makes it's initial connection, it will be unauthorized, and will receive a nonce.
//	// It then disconnects, and creates a new connection with the nonce, and proper authentication.
//	// If we don't honor the nonce for the second connection, QuickTime will repeat the process and never connect.
//	
//	dispatch_async(recentNonceQueue, ^{ @autoreleasepool {
//		
//		[recentNonces addObject:newNonce];
//	}});
//	
//	double delayInSeconds = TIMEOUT_NONCE;
//	dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
//	dispatch_after(popTime, recentNonceQueue, ^{ @autoreleasepool {
//		
//		[recentNonces removeObject:newNonce];
//	}});
//	
//	return newNonce;
//}
//
///**
// * Returns whether or not the given nonce is in the list of recently generated nonce's.
//**/
//+ (BOOL)hasRecentNonce:(NSString *)recentNonce
//{
//	__block BOOL result = NO;
//	
//	dispatch_sync(recentNonceQueue, ^{ @autoreleasepool {
//		
//		result = [recentNonces containsObject:recentNonce];
//	}});
//	
//	return result;
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Init, Dealloc:
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//@synthesize request;
///**
// * Sole Constructor.
// * Associates this new HTTP connection with the given AsyncSocket.
// * This HTTP connection object will become the socket's delegate and take over responsibility for the socket.
//**/
//- (id)initWithAsyncSocket:(GCDAsyncSocket *)newSocket configuration:(HTTPConfig *)aConfig
//{
//	if ((self = [super init]))
//	{
//		HTTPLogTrace();
//		
//		if (aConfig.queue)
//		{
//			connectionQueue = aConfig.queue;
//			#if !OS_OBJECT_USE_OBJC
//			dispatch_retain(connectionQueue);
//			#endif
//		}
//		else
//		{
//			connectionQueue = dispatch_queue_create("HTTPConnection", NULL);
//		}
//		
//		// Take over ownership of the socket
//		asyncSocket = newSocket;
//		[asyncSocket setDelegate:self delegateQueue:connectionQueue];
//		
//		// Store configuration
//		config = aConfig;
//		
//		// Initialize lastNC (last nonce count).
//		// Used with digest access authentication.
//		// These must increment for each request from the client.
//		lastNC = 0;
//		
//		// Create a new HTTP message
//		request = [[HTTPMessage alloc] initEmptyRequest];
//		
//		numHeaderLines = 0;
//		
//		responseDataSizes = [[NSMutableArray alloc] initWithCapacity:5];
//	}
//	return self;
//}
//
///**
// * Standard Deconstructor.
//**/
//- (void)dealloc
//{
//	HTTPLogTrace();
//	
//	#if !OS_OBJECT_USE_OBJC
//	dispatch_release(connectionQueue);
//	#endif
//	
//	[asyncSocket setDelegate:nil delegateQueue:NULL];
//	[asyncSocket disconnect];
//	
//	if ([httpResponse respondsToSelector:@selector(connectionDidClose)])
//	{
//		[httpResponse connectionDidClose];
//	}
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Method Support
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * Returns whether or not the server will accept messages of a given method
// * at a particular URI.
//**/
//- (BOOL)supportsMethod:(NSString *)method atPath:(NSString *)path
//{
//	HTTPLogTrace();
//	
//	// Override me to support methods such as POST.
//	// 
//	// Things you may want to consider:
//	// - Does the given path represent a resource that is designed to accept this method?
//	// - If accepting an upload, is the size of the data being uploaded too big?
//	//   To do this you can check the requestContentLength variable.
//	// 
//	// For more information, you can always access the HTTPMessage request variable.
//	// 
//	// You should fall through with a call to [super supportsMethod:method atPath:path]
//	// 
//	// See also: expectsRequestBodyFromMethod:atPath:
//	
//	if ([method isEqualToString:@"GET"])
//		return YES;
//	
//	if ([method isEqualToString:@"HEAD"])
//		return YES;
//		
//	return NO;
//}
//
///**
// * Returns whether or not the server expects a body from the given method.
// * 
// * In other words, should the server expect a content-length header and associated body from this method.
// * This would be true in the case of a POST, where the client is sending data,
// * or for something like PUT where the client is supposed to be uploading a file.
//**/
//- (BOOL)expectsRequestBodyFromMethod:(NSString *)method atPath:(NSString *)path
//{
//	HTTPLogTrace();
//	
//	// Override me to add support for other methods that expect the client
//	// to send a body along with the request header.
//	// 
//	// You should fall through with a call to [super expectsRequestBodyFromMethod:method atPath:path]
//	// 
//	// See also: supportsMethod:atPath:
//	
//	if ([method isEqualToString:@"POST"])
//		return YES;
//	
//	if ([method isEqualToString:@"PUT"])
//		return YES;
//	
//	return NO;
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark HTTPS
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * Returns whether or not the server is configured to be a secure server.
// * In other words, all connections to this server are immediately secured, thus only secure connections are allowed.
// * This is the equivalent of having an https server, where it is assumed that all connections must be secure.
// * If this is the case, then unsecure connections will not be allowed on this server, and a separate unsecure server
// * would need to be run on a separate port in order to support unsecure connections.
// * 
// * Note: In order to support secure connections, the sslIdentityAndCertificates method must be implemented.
//**/
//- (BOOL)isSecureServer
//{
//	HTTPLogTrace();
//	
//	// Override me to create an https server...
//	
//	return NO;
//}
//
///**
// * This method is expected to returns an array appropriate for use in kCFStreamSSLCertificates SSL Settings.
// * It should be an array of SecCertificateRefs except for the first element in the array, which is a SecIdentityRef.
//**/
//- (NSArray *)sslIdentityAndCertificates
//{
//	HTTPLogTrace();
//	
//	// Override me to provide the proper required SSL identity.
//	
//	return nil;
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Password Protection
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * Returns whether or not the requested resource is password protected.
// * In this generic implementation, nothing is password protected.
//**/
//- (BOOL)isPasswordProtected:(NSString *)path
//{
//	HTTPLogTrace();
//	
//	// Override me to provide password protection...
//	// You can configure it for the entire server, or based on the current request
//	
//	return NO;
//}
//
///**
// * Returns whether or not the authentication challenge should use digest access authentication.
// * The alternative is basic authentication.
// * 
// * If at all possible, digest access authentication should be used because it's more secure.
// * Basic authentication sends passwords in the clear and should be avoided unless using SSL/TLS.
//**/
//- (BOOL)useDigestAccessAuthentication
//{
//	HTTPLogTrace();
//	
//	// Override me to customize the authentication scheme
//	// Make sure you understand the security risks of using the weaker basic authentication
//	
//	return YES;
//}
//
///**
// * Returns the authentication realm.
// * In this generic implmentation, a default realm is used for the entire server.
//**/
//- (NSString *)realm
//{
//	HTTPLogTrace();
//	
//	// Override me to provide a custom realm...
//	// You can configure it for the entire server, or based on the current request
//	
//	return @"defaultRealm@host.com";
//}
//
///**
// * Returns the password for the given username.
//**/
//- (NSString *)passwordForUser:(NSString *)username
//{
//	HTTPLogTrace();
//	
//	// Override me to provide proper password authentication
//	// You can configure a password for the entire server, or custom passwords for users and/or resources
//	
//	// Security Note:
//	// A nil password means no access at all. (Such as for user doesn't exist)
//	// An empty string password is allowed, and will be treated as any other password. (To support anonymous access)
//	
//	return nil;
//}
//
///**
// * Returns whether or not the user is properly authenticated.
//**/
//- (BOOL)isAuthenticated
//{
//	HTTPLogTrace();
//	
//	// Extract the authentication information from the Authorization header
//	HTTPAuthenticationRequest *auth = [[HTTPAuthenticationRequest alloc] initWithRequest:request];
//	
//	if ([self useDigestAccessAuthentication])
//	{
//		// Digest Access Authentication (RFC 2617)
//		
//		if(![auth isDigest])
//		{
//			// User didn't send proper digest access authentication credentials
//			return NO;
//		}
//		
//		if ([auth username] == nil)
//		{
//			// The client didn't provide a username
//			// Most likely they didn't provide any authentication at all
//			return NO;
//		}
//		
//		NSString *password = [self passwordForUser:[auth username]];
//		if (password == nil)
//		{
//			// No access allowed (username doesn't exist in system)
//			return NO;
//		}
//		
//		NSString *url = [[request url] relativeString];
//		
//		if (![url isEqualToString:[auth uri]])
//		{
//			// Requested URL and Authorization URI do not match
//			// This could be a replay attack
//			// IE - attacker provides same authentication information, but requests a different resource
//			return NO;
//		}
//		
//		// The nonce the client provided will most commonly be stored in our local (cached) nonce variable
//		if (![nonce isEqualToString:[auth nonce]])
//		{
//			// The given nonce may be from another connection
//			// We need to search our list of recent nonce strings that have been recently distributed
//			if ([[self class] hasRecentNonce:[auth nonce]])
//			{
//				// Store nonce in local (cached) nonce variable to prevent array searches in the future
//				nonce = [[auth nonce] copy];
//				
//				// The client has switched to using a different nonce value
//				// This may happen if the client tries to get a file in a directory with different credentials.
//				// The previous credentials wouldn't work, and the client would receive a 401 error
//				// along with a new nonce value. The client then uses this new nonce value and requests the file again.
//				// Whatever the case may be, we need to reset lastNC, since that variable is on a per nonce basis.
//				lastNC = 0;
//			}
//			else
//			{
//				// We have no knowledge of ever distributing such a nonce.
//				// This could be a replay attack from a previous connection in the past.
//				return NO;
//			}
//		}
//		
//		long authNC = strtol([[auth nc] UTF8String], NULL, 16);
//		
//		if (authNC <= lastNC)
//		{
//			// The nc value (nonce count) hasn't been incremented since the last request.
//			// This could be a replay attack.
//			return NO;
//		}
//		lastNC = authNC;
//		
//		NSString *HA1str = [NSString stringWithFormat:@"%@:%@:%@", [auth username], [auth realm], password];
//		NSString *HA2str = [NSString stringWithFormat:@"%@:%@", [request method], [auth uri]];
//		
//		NSString *HA1 = [[[HA1str dataUsingEncoding:NSUTF8StringEncoding] md5Digest] hexStringValue];
//		
//		NSString *HA2 = [[[HA2str dataUsingEncoding:NSUTF8StringEncoding] md5Digest] hexStringValue];
//		
//		NSString *responseStr = [NSString stringWithFormat:@"%@:%@:%@:%@:%@:%@",
//								 HA1, [auth nonce], [auth nc], [auth cnonce], [auth qop], HA2];
//		
//		NSString *response = [[[responseStr dataUsingEncoding:NSUTF8StringEncoding] md5Digest] hexStringValue];
//		
//		return [response isEqualToString:[auth response]];
//	}
//	else
//	{
//		// Basic Authentication
//		
//		if (![auth isBasic])
//		{
//			// User didn't send proper base authentication credentials
//			return NO;
//		}
//		
//		// Decode the base 64 encoded credentials
//		NSString *base64Credentials = [auth base64Credentials];
//		
//		NSData *temp = [[base64Credentials dataUsingEncoding:NSUTF8StringEncoding] base64Decoded];
//		
//		NSString *credentials = [[NSString alloc] initWithData:temp encoding:NSUTF8StringEncoding];
//		
//		// The credentials should be of the form "username:password"
//		// The username is not allowed to contain a colon
//		
//		NSRange colonRange = [credentials rangeOfString:@":"];
//		
//		if (colonRange.length == 0)
//		{
//			// Malformed credentials
//			return NO;
//		}
//		
//		NSString *credUsername = [credentials substringToIndex:colonRange.location];
//		NSString *credPassword = [credentials substringFromIndex:(colonRange.location + colonRange.length)];
//		
//		NSString *password = [self passwordForUser:credUsername];
//		if (password == nil)
//		{
//			// No access allowed (username doesn't exist in system)
//			return NO;
//		}
//		
//		return [password isEqualToString:credPassword];
//	}
//}
//
///**
// * Adds a digest access authentication challenge to the given response.
//**/
//- (void)addDigestAuthChallenge:(HTTPMessage *)response
//{
//	HTTPLogTrace();
//	
//	NSString *authFormat = @"Digest realm=\"%@\", qop=\"auth\", nonce=\"%@\"";
//	NSString *authInfo = [NSString stringWithFormat:authFormat, [self realm], [[self class] generateNonce]];
//	
//	[response setHeaderField:@"WWW-Authenticate" value:authInfo];
//}
//
///**
// * Adds a basic authentication challenge to the given response.
//**/
//- (void)addBasicAuthChallenge:(HTTPMessage *)response
//{
//	HTTPLogTrace();
//	
//	NSString *authFormat = @"Basic realm=\"%@\"";
//	NSString *authInfo = [NSString stringWithFormat:authFormat, [self realm]];
//	
//	[response setHeaderField:@"WWW-Authenticate" value:authInfo];
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Core
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * Starting point for the HTTP connection after it has been fully initialized (including subclasses).
// * This method is called by the HTTP server.
//**/
//- (void)start
//{
//	dispatch_async(connectionQueue, ^{ @autoreleasepool {
//		
//		if (!started)
//		{
//			started = YES;
//			[self startConnection];
//		}
//	}});
//}
//
///**
// * This method is called by the HTTPServer if it is asked to stop.
// * The server, in turn, invokes stop on each HTTPConnection instance.
//**/
//- (void)stop
//{
//	dispatch_async(connectionQueue, ^{ @autoreleasepool {
//		
//		// Disconnect the socket.
//		// The socketDidDisconnect delegate method will handle everything else.
//		[asyncSocket disconnect];
//	}});
//}
//
///**
// * Starting point for the HTTP connection.
//**/
//- (void)startConnection
//{
//	// Override me to do any custom work before the connection starts.
//	// 
//	// Be sure to invoke [super startConnection] when you're done.
//	
//	HTTPLogTrace();
//	
//	if ([self isSecureServer])
//	{
//		// We are configured to be an HTTPS server.
//		// That is, we secure via SSL/TLS the connection prior to any communication.
//		
//		NSArray *certificates = [self sslIdentityAndCertificates];
//		
//		if ([certificates count] > 0)
//		{
//			// All connections are assumed to be secure. Only secure connections are allowed on this server.
//			NSMutableDictionary *settings = [NSMutableDictionary dictionaryWithCapacity:3];
//			
//			// Configure this connection as the server
//			[settings setObject:[NSNumber numberWithBool:YES]
//						 forKey:(NSString *)kCFStreamSSLIsServer];
//			
//			[settings setObject:certificates
//						 forKey:(NSString *)kCFStreamSSLCertificates];
//			
//			// Configure this connection to use the highest possible SSL level
//			[settings setObject:(NSString *)kCFStreamSocketSecurityLevelNegotiatedSSL
//						 forKey:(NSString *)kCFStreamSSLLevel];
//			
//			[asyncSocket startTLS:settings];
//		}
//	}
//	
//	[self startReadingRequest];
//}
//
///**
// * Starts reading an HTTP request.
//**/
//- (void)startReadingRequest
//{
//	HTTPLogTrace();
//	
//	[asyncSocket readDataToData:[GCDAsyncSocket CRLFData]
//	                withTimeout:TIMEOUT_READ_FIRST_HEADER_LINE
//	                  maxLength:MAX_HEADER_LINE_LENGTH
//	                        tag:HTTP_REQUEST_HEADER];
//}
//
///**
// * Parses the given query string.
// * 
// * For example, if the query is "q=John%20Mayer%20Trio&num=50"
// * then this method would return the following dictionary:
// * { 
// *   q = "John Mayer Trio" 
// *   num = "50" 
// * }
//**/
//- (NSDictionary *)parseParams:(NSString *)query
//{
//	NSArray *components = [query componentsSeparatedByString:@"&"];
//	NSMutableDictionary *result = [NSMutableDictionary dictionaryWithCapacity:[components count]];
//	
//	NSUInteger i;
//	for (i = 0; i < [components count]; i++)
//	{ 
//		NSString *component = [components objectAtIndex:i];
//		if ([component length] > 0)
//		{
//			NSRange range = [component rangeOfString:@"="];
//			if (range.location != NSNotFound)
//			{ 
//				NSString *escapedKey = [component substringToIndex:(range.location + 0)]; 
//				NSString *escapedValue = [component substringFromIndex:(range.location + 1)];
//				
//				if ([escapedKey length] > 0)
//				{
//					CFStringRef k, v;
//					
//					k = CFURLCreateStringByReplacingPercentEscapes(NULL, (__bridge CFStringRef)escapedKey, CFSTR(""));
//					v = CFURLCreateStringByReplacingPercentEscapes(NULL, (__bridge CFStringRef)escapedValue, CFSTR(""));
//					
//					NSString *key, *value;
//					
//					key   = (__bridge_transfer NSString *)k;
//					value = (__bridge_transfer NSString *)v;
//					
//					if (key)
//					{
//						if (value)
//							[result setObject:value forKey:key]; 
//						else 
//							[result setObject:[NSNull null] forKey:key]; 
//					}
//				}
//			}
//		}
//	}
//	
//	return result;
//}
//
///** 
// * Parses the query variables in the request URI. 
// * 
// * For example, if the request URI was "/search.html?q=John%20Mayer%20Trio&num=50" 
// * then this method would return the following dictionary: 
// * { 
// *   q = "John Mayer Trio" 
// *   num = "50" 
// * } 
//**/ 
//- (NSDictionary *)parseGetParams 
//{
//	if(![request isHeaderComplete]) return nil;
//	
//	NSDictionary *result = nil;
//	
//	NSURL *url = [request url];
//	if(url)
//	{
//		NSString *query = [url query];
//		if (query)
//		{
//			result = [self parseParams:query];
//		}
//	}
//	
//	return result; 
//}
//
///**
// * Attempts to parse the given range header into a series of sequential non-overlapping ranges.
// * If successfull, the variables 'ranges' and 'rangeIndex' will be updated, and YES will be returned.
// * Otherwise, NO is returned, and the range request should be ignored.
// **/
//- (BOOL)parseRangeRequest:(NSString *)rangeHeader withContentLength:(UInt64)contentLength
//{
//	HTTPLogTrace();
//	
//	// Examples of byte-ranges-specifier values (assuming an entity-body of length 10000):
//	// 
//	// - The first 500 bytes (byte offsets 0-499, inclusive):  bytes=0-499
//	// 
//	// - The second 500 bytes (byte offsets 500-999, inclusive): bytes=500-999
//	// 
//	// - The final 500 bytes (byte offsets 9500-9999, inclusive): bytes=-500
//	// 
//	// - Or bytes=9500-
//	// 
//	// - The first and last bytes only (bytes 0 and 9999):  bytes=0-0,-1
//	// 
//	// - Several legal but not canonical specifications of the second 500 bytes (byte offsets 500-999, inclusive):
//	// bytes=500-600,601-999
//	// bytes=500-700,601-999
//	// 
//	
//	NSRange eqsignRange = [rangeHeader rangeOfString:@"="];
//	
//	if(eqsignRange.location == NSNotFound) return NO;
//	
//	NSUInteger tIndex = eqsignRange.location;
//	NSUInteger fIndex = eqsignRange.location + eqsignRange.length;
//	
//	NSMutableString *rangeType  = [[rangeHeader substringToIndex:tIndex] mutableCopy];
//	NSMutableString *rangeValue = [[rangeHeader substringFromIndex:fIndex] mutableCopy];
//	
//	CFStringTrimWhitespace((__bridge CFMutableStringRef)rangeType);
//	CFStringTrimWhitespace((__bridge CFMutableStringRef)rangeValue);
//	
//	if([rangeType caseInsensitiveCompare:@"bytes"] != NSOrderedSame) return NO;
//	
//	NSArray *rangeComponents = [rangeValue componentsSeparatedByString:@","];
//	
//	if([rangeComponents count] == 0) return NO;
//	
//	ranges = [[NSMutableArray alloc] initWithCapacity:[rangeComponents count]];
//	
//	rangeIndex = 0;
//	
//	// Note: We store all range values in the form of DDRange structs, wrapped in NSValue objects.
//	// Since DDRange consists of UInt64 values, the range extends up to 16 exabytes.
//	
//	NSUInteger i;
//	for (i = 0; i < [rangeComponents count]; i++)
//	{
//		NSString *rangeComponent = [rangeComponents objectAtIndex:i];
//		
//		NSRange dashRange = [rangeComponent rangeOfString:@"-"];
//		
//		if (dashRange.location == NSNotFound)
//		{
//			// We're dealing with an individual byte number
//			
//			UInt64 byteIndex;
//			if(![NSNumber parseString:rangeComponent intoUInt64:&byteIndex]) return NO;
//			
//			if(byteIndex >= contentLength) return NO;
//			
//			[ranges addObject:[NSValue valueWithDDRange:DDMakeRange(byteIndex, 1)]];
//		}
//		else
//		{
//			// We're dealing with a range of bytes
//			
//			tIndex = dashRange.location;
//			fIndex = dashRange.location + dashRange.length;
//			
//			NSString *r1str = [rangeComponent substringToIndex:tIndex];
//			NSString *r2str = [rangeComponent substringFromIndex:fIndex];
//			
//			UInt64 r1, r2;
//			
//			BOOL hasR1 = [NSNumber parseString:r1str intoUInt64:&r1];
//			BOOL hasR2 = [NSNumber parseString:r2str intoUInt64:&r2];
//			
//			if (!hasR1)
//			{
//				// We're dealing with a "-[#]" range
//				// 
//				// r2 is the number of ending bytes to include in the range
//				
//				if(!hasR2) return NO;
//				if(r2 > contentLength) return NO;
//				
//				UInt64 startIndex = contentLength - r2;
//				
//				[ranges addObject:[NSValue valueWithDDRange:DDMakeRange(startIndex, r2)]];
//			}
//			else if (!hasR2)
//			{
//				// We're dealing with a "[#]-" range
//				// 
//				// r1 is the starting index of the range, which goes all the way to the end
//				
//				if(r1 >= contentLength) return NO;
//				
//				[ranges addObject:[NSValue valueWithDDRange:DDMakeRange(r1, contentLength - r1)]];
//			}
//			else
//			{
//				// We're dealing with a normal "[#]-[#]" range
//				// 
//				// Note: The range is inclusive. So 0-1 has a length of 2 bytes.
//				
//				if(r1 > r2) return NO;
//				if(r2 >= contentLength) return NO;
//				
//				[ranges addObject:[NSValue valueWithDDRange:DDMakeRange(r1, r2 - r1 + 1)]];
//			}
//		}
//	}
//	
//	if([ranges count] == 0) return NO;
//	
//	// Now make sure none of the ranges overlap
//	
//	for (i = 0; i < [ranges count] - 1; i++)
//	{
//		DDRange range1 = [[ranges objectAtIndex:i] ddrangeValue];
//		
//		NSUInteger j;
//		for (j = i+1; j < [ranges count]; j++)
//		{
//			DDRange range2 = [[ranges objectAtIndex:j] ddrangeValue];
//			
//			DDRange iRange = DDIntersectionRange(range1, range2);
//			
//			if(iRange.length != 0)
//			{
//				return NO;
//			}
//		}
//	}
//	
//	// Sort the ranges
//	
//	[ranges sortUsingSelector:@selector(ddrangeCompare:)];
//	
//	return YES;
//}
//
//- (NSString *)requestURI
//{
//	if(request == nil) return nil;
//	
//	return [[request url] relativeString];
//}
//
///**
// * This method is called after a full HTTP request has been received.
// * The current request is in the HTTPMessage request variable.
//**/
//- (void)replyToHTTPRequest
//{
//	HTTPLogTrace();
//	
//	if (HTTP_LOG_VERBOSE)
//	{
//		NSData *tempData = [request messageData];
//		
//		NSString *tempStr = [[NSString alloc] initWithData:tempData encoding:NSUTF8StringEncoding];
//		HTTPLogVerbose(@"%@[%p]: Received HTTP request:\n%@", THIS_FILE, self, tempStr);
//	}
//	
//	// Check the HTTP version
//	// We only support version 1.0 and 1.1
//	
//	NSString *version = [request version];
//	if (![version isEqualToString:HTTPVersion1_1] && ![version isEqualToString:HTTPVersion1_0])
//	{
//		[self handleVersionNotSupported:version];
//		return;
//	}
//	
//	// Extract requested URI
//	NSString *uri = [self requestURI];
//	
//	// Check for WebSocket request
//	if ([WebSocket isWebSocketRequest:request])
//	{
//		HTTPLogVerbose(@"isWebSocket");
//		
//		WebSocket *ws = [self webSocketForURI:uri];
//		
//		if (ws == nil)
//		{
//			[self handleResourceNotFound];
//		}
//		else
//		{
//			[ws start];
//			
////			[[config server] addWebSocket:ws];//需要加上
//			
//			// The WebSocket should now be the delegate of the underlying socket.
//			// But gracefully handle the situation if it forgot.
//			if ([asyncSocket delegate] == self)
//			{
//				HTTPLogWarn(@"%@[%p]: WebSocket forgot to set itself as socket delegate", THIS_FILE, self);
//				
//				// Disconnect the socket.
//				// The socketDidDisconnect delegate method will handle everything else.
//				[asyncSocket disconnect];
//			}
//			else
//			{
//				// The WebSocket is using the socket,
//				// so make sure we don't disconnect it in the dealloc method.
//				asyncSocket = nil;
//				
//				[self die];
//				
//				// Note: There is a timing issue here that should be pointed out.
//				// 
//				// A bug that existed in previous versions happend like so:
//				// - We invoked [self die]
//				// - This caused us to get released, and our dealloc method to start executing
//				// - Meanwhile, AsyncSocket noticed a disconnect, and began to dispatch a socketDidDisconnect at us
//				// - The dealloc method finishes execution, and our instance gets freed
//				// - The socketDidDisconnect gets run, and a crash occurs
//				// 
//				// So the issue we want to avoid is releasing ourself when there is a possibility
//				// that AsyncSocket might be gearing up to queue a socketDidDisconnect for us.
//				// 
//				// In this particular situation notice that we invoke [asyncSocket delegate].
//				// This method is synchronous concerning AsyncSocket's internal socketQueue.
//				// Which means we can be sure, when it returns, that AsyncSocket has already
//				// queued any delegate methods for us if it was going to.
//				// And if the delegate methods are queued, then we've been properly retained.
//				// Meaning we won't get released / dealloc'd until the delegate method has finished executing.
//				// 
//				// In this rare situation, the die method will get invoked twice.
//			}
//		}
//		
//		return;
//	}
//	
//	// Check Authentication (if needed)
//	// If not properly authenticated for resource, issue Unauthorized response
//	if ([self isPasswordProtected:uri] && ![self isAuthenticated])
//	{
//		[self handleAuthenticationFailed];
//		return;
//	}
//	
//	// Extract the method
//	NSString *method = [request method];
//	
//	// Note: We already checked to ensure the method was supported in onSocket:didReadData:withTag:
//	
//	// Respond properly to HTTP 'GET' and 'HEAD' commands
//	httpResponse = [self httpResponseForMethod:method URI:uri];
//	
//	if (httpResponse == nil)
//	{
//		[self handleResourceNotFound];
//		return;
//	}
//	
//	[self sendResponseHeadersAndBody];
//}
//
///**
// * Prepares a single-range response.
// * 
// * Note: The returned HTTPMessage is owned by the sender, who is responsible for releasing it.
//**/
//- (HTTPMessage *)newUniRangeResponse:(UInt64)contentLength
//{
//	HTTPLogTrace();
//	
//	// Status Code 206 - Partial Content
//	HTTPMessage *response = [[HTTPMessage alloc] initResponseWithStatusCode:206 description:nil version:HTTPVersion1_1];
//	
//	DDRange range = [[ranges objectAtIndex:0] ddrangeValue];
//	
//	NSString *contentLengthStr = [NSString stringWithFormat:@"%qu", range.length];
//	[response setHeaderField:@"Content-Length" value:contentLengthStr];
//	
//	NSString *rangeStr = [NSString stringWithFormat:@"%qu-%qu", range.location, DDMaxRange(range) - 1];
//	NSString *contentRangeStr = [NSString stringWithFormat:@"bytes %@/%qu", rangeStr, contentLength];
//	[response setHeaderField:@"Content-Range" value:contentRangeStr];
//	
//	return response;
//}
//
///**
// * Prepares a multi-range response.
// * 
// * Note: The returned HTTPMessage is owned by the sender, who is responsible for releasing it.
//**/
//- (HTTPMessage *)newMultiRangeResponse:(UInt64)contentLength
//{
//	HTTPLogTrace();
//	
//	// Status Code 206 - Partial Content
//	HTTPMessage *response = [[HTTPMessage alloc] initResponseWithStatusCode:206 description:nil version:HTTPVersion1_1];
//	
//	// We have to send each range using multipart/byteranges
//	// So each byterange has to be prefix'd and suffix'd with the boundry
//	// Example:
//	// 
//	// HTTP/1.1 206 Partial Content
//	// Content-Length: 220
//	// Content-Type: multipart/byteranges; boundary=4554d24e986f76dd6
//	// 
//	// 
//	// --4554d24e986f76dd6
//	// Content-Range: bytes 0-25/4025
//	// 
//	// [...]
//	// --4554d24e986f76dd6
//	// Content-Range: bytes 3975-4024/4025
//	// 
//	// [...]
//	// --4554d24e986f76dd6--
//	
//	ranges_headers = [[NSMutableArray alloc] initWithCapacity:[ranges count]];
//	
//	CFUUIDRef theUUID = CFUUIDCreate(NULL);
//	ranges_boundry = (__bridge_transfer NSString *)CFUUIDCreateString(NULL, theUUID);
//	CFRelease(theUUID);
//	
//	NSString *startingBoundryStr = [NSString stringWithFormat:@"\r\n--%@\r\n", ranges_boundry];
//	NSString *endingBoundryStr = [NSString stringWithFormat:@"\r\n--%@--\r\n", ranges_boundry];
//	
//	UInt64 actualContentLength = 0;
//	
//	NSUInteger i;
//	for (i = 0; i < [ranges count]; i++)
//	{
//		DDRange range = [[ranges objectAtIndex:i] ddrangeValue];
//		
//		NSString *rangeStr = [NSString stringWithFormat:@"%qu-%qu", range.location, DDMaxRange(range) - 1];
//		NSString *contentRangeVal = [NSString stringWithFormat:@"bytes %@/%qu", rangeStr, contentLength];
//		NSString *contentRangeStr = [NSString stringWithFormat:@"Content-Range: %@\r\n\r\n", contentRangeVal];
//		
//		NSString *fullHeader = [startingBoundryStr stringByAppendingString:contentRangeStr];
//		NSData *fullHeaderData = [fullHeader dataUsingEncoding:NSUTF8StringEncoding];
//		
//		[ranges_headers addObject:fullHeaderData];
//		
//		actualContentLength += [fullHeaderData length];
//		actualContentLength += range.length;
//	}
//	
//	NSData *endingBoundryData = [endingBoundryStr dataUsingEncoding:NSUTF8StringEncoding];
//	
//	actualContentLength += [endingBoundryData length];
//	
//	NSString *contentLengthStr = [NSString stringWithFormat:@"%qu", actualContentLength];
//	[response setHeaderField:@"Content-Length" value:contentLengthStr];
//	
//	NSString *contentTypeStr = [NSString stringWithFormat:@"multipart/byteranges; boundary=%@", ranges_boundry];
//	[response setHeaderField:@"Content-Type" value:contentTypeStr];
//	
//	return response;
//}
//
///**
// * Returns the chunk size line that must precede each chunk of data when using chunked transfer encoding.
// * This consists of the size of the data, in hexadecimal, followed by a CRLF.
//**/
//- (NSData *)chunkedTransferSizeLineForLength:(NSUInteger)length
//{
//	return [[NSString stringWithFormat:@"%lx\r\n", (unsigned long)length] dataUsingEncoding:NSUTF8StringEncoding];
//}
//
///**
// * Returns the data that signals the end of a chunked transfer.
//**/
//- (NSData *)chunkedTransferFooter
//{
//	// Each data chunk is preceded by a size line (in hex and including a CRLF),
//	// followed by the data itself, followed by another CRLF.
//	// After every data chunk has been sent, a zero size line is sent,
//	// followed by optional footer (which are just more headers),
//	// and followed by a CRLF on a line by itself.
//	
//	return [@"\r\n0\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding];
//}
//
//- (void)sendResponseHeadersAndBody
//{
//	if ([httpResponse respondsToSelector:@selector(delayResponseHeaders)])
//	{
//		if ([httpResponse delayResponseHeaders])
//		{
//			return;
//		}
//	}
//	
//	BOOL isChunked = NO;
//	
//	if ([httpResponse respondsToSelector:@selector(isChunked)])
//	{
//		isChunked = [httpResponse isChunked];
//	}
//	
//	// If a response is "chunked", this simply means the HTTPResponse object
//	// doesn't know the content-length in advance.
//	
//	UInt64 contentLength = 0;
//	
//	if (!isChunked)
//	{
//		contentLength = [httpResponse contentLength];
//	}
//	
//	// Check for specific range request
//	NSString *rangeHeader = [request headerField:@"Range"];
//	
//	BOOL isRangeRequest = NO;
//	
//	// If the response is "chunked" then we don't know the exact content-length.
//	// This means we'll be unable to process any range requests.
//	// This is because range requests might include a range like "give me the last 100 bytes"
//	
//	if (!isChunked && rangeHeader)
//	{
//		if ([self parseRangeRequest:rangeHeader withContentLength:contentLength])
//		{
//			isRangeRequest = YES;
//		}
//	}
//	
//	HTTPMessage *response;
//	
//	if (!isRangeRequest)
//	{
//		// Create response
//		// Default status code: 200 - OK
//		NSInteger status = 200;
//		
//		if ([httpResponse respondsToSelector:@selector(status)])
//		{
//			status = [httpResponse status];
//		}
//		response = [[HTTPMessage alloc] initResponseWithStatusCode:status description:nil version:HTTPVersion1_1];
//		
//		if (isChunked)
//		{
//			[response setHeaderField:@"Transfer-Encoding" value:@"chunked"];
//		}
//		else
//		{
//			NSString *contentLengthStr = [NSString stringWithFormat:@"%qu", contentLength];
//			[response setHeaderField:@"Content-Length" value:contentLengthStr];
//		}
//	}
//	else
//	{
//		if ([ranges count] == 1)
//		{
//			response = [self newUniRangeResponse:contentLength];
//		}
//		else
//		{
//			response = [self newMultiRangeResponse:contentLength];
//		}
//	}
//	
//	BOOL isZeroLengthResponse = !isChunked && (contentLength == 0);
//    
//	// If they issue a 'HEAD' command, we don't have to include the file
//	// If they issue a 'GET' command, we need to include the file
//	
//	if ([[request method] isEqualToString:@"HEAD"] || isZeroLengthResponse)
//	{
//		NSData *responseData = [self preprocessResponse:response];
//		[asyncSocket writeData:responseData withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_RESPONSE];
//		
//		sentResponseHeaders = YES;
//	}
//	else
//	{
//		// Write the header response
//		NSData *responseData = [self preprocessResponse:response];
//		[asyncSocket writeData:responseData withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_PARTIAL_RESPONSE_HEADER];
//		
//		sentResponseHeaders = YES;
//		
//		// Now we need to send the body of the response
//		if (!isRangeRequest)
//		{
//			// Regular request
//			NSData *data = [httpResponse readDataOfLength:READ_CHUNKSIZE];
//			
//			if ([data length] > 0)
//			{
//				[responseDataSizes addObject:[NSNumber numberWithUnsignedInteger:[data length]]];
//				
//				if (isChunked)
//				{
//					NSData *chunkSize = [self chunkedTransferSizeLineForLength:[data length]];
//					[asyncSocket writeData:chunkSize withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_CHUNKED_RESPONSE_HEADER];
//					
//					[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:HTTP_CHUNKED_RESPONSE_BODY];
//					
//					if ([httpResponse isDone])
//					{
//						NSData *footer = [self chunkedTransferFooter];
//						[asyncSocket writeData:footer withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_RESPONSE];
//					}
//					else
//					{
//						NSData *footer = [GCDAsyncSocket CRLFData];
//						[asyncSocket writeData:footer withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_CHUNKED_RESPONSE_FOOTER];
//					}
//				}
//				else
//				{
//					long tag = [httpResponse isDone] ? HTTP_RESPONSE : HTTP_PARTIAL_RESPONSE_BODY;
//					[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:tag];
//				}
//			}
//		}
//		else
//		{
//			// Client specified a byte range in request
//			
//			if ([ranges count] == 1)
//			{
//				// Client is requesting a single range
//				DDRange range = [[ranges objectAtIndex:0] ddrangeValue];
//				
//				[httpResponse setOffset:range.location];
//				
//				NSUInteger bytesToRead = range.length < READ_CHUNKSIZE ? (NSUInteger)range.length : READ_CHUNKSIZE;
//				
//				NSData *data = [httpResponse readDataOfLength:bytesToRead];
//				
//				if ([data length] > 0)
//				{
//					[responseDataSizes addObject:[NSNumber numberWithUnsignedInteger:[data length]]];
//					
//					long tag = [data length] == range.length ? HTTP_RESPONSE : HTTP_PARTIAL_RANGE_RESPONSE_BODY;
//					[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:tag];
//				}
//			}
//			else
//			{
//				// Client is requesting multiple ranges
//				// We have to send each range using multipart/byteranges
//				
//				// Write range header
//				NSData *rangeHeaderData = [ranges_headers objectAtIndex:0];
//				[asyncSocket writeData:rangeHeaderData withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_PARTIAL_RESPONSE_HEADER];
//				
//				// Start writing range body
//				DDRange range = [[ranges objectAtIndex:0] ddrangeValue];
//				
//				[httpResponse setOffset:range.location];
//				
//				NSUInteger bytesToRead = range.length < READ_CHUNKSIZE ? (NSUInteger)range.length : READ_CHUNKSIZE;
//				
//				NSData *data = [httpResponse readDataOfLength:bytesToRead];
//				
//				if ([data length] > 0)
//				{
//					[responseDataSizes addObject:[NSNumber numberWithUnsignedInteger:[data length]]];
//					
//					[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:HTTP_PARTIAL_RANGES_RESPONSE_BODY];
//				}
//			}
//		}
//	}
//	
//}
//
///**
// * Returns the number of bytes of the http response body that are sitting in asyncSocket's write queue.
// * 
// * We keep track of this information in order to keep our memory footprint low while
// * working with asynchronous HTTPResponse objects.
//**/
//- (NSUInteger)writeQueueSize
//{
//	NSUInteger result = 0;
//	
//	NSUInteger i;
//	for(i = 0; i < [responseDataSizes count]; i++)
//	{
//		result += [[responseDataSizes objectAtIndex:i] unsignedIntegerValue];
//	}
//	
//	return result;
//}
//
///**
// * Sends more data, if needed, without growing the write queue over its approximate size limit.
// * The last chunk of the response body will be sent with a tag of HTTP_RESPONSE.
// * 
// * This method should only be called for standard (non-range) responses.
//**/
//- (void)continueSendingStandardResponseBody
//{
//	HTTPLogTrace();
//	
//	// This method is called when either asyncSocket has finished writing one of the response data chunks,
//	// or when an asynchronous HTTPResponse object informs us that it has more available data for us to send.
//	// In the case of the asynchronous HTTPResponse, we don't want to blindly grab the new data,
//	// and shove it onto asyncSocket's write queue.
//	// Doing so could negatively affect the memory footprint of the application.
//	// Instead, we always ensure that we place no more than READ_CHUNKSIZE bytes onto the write queue.
//	// 
//	// Note that this does not affect the rate at which the HTTPResponse object may generate data.
//	// The HTTPResponse is free to do as it pleases, and this is up to the application's developer.
//	// If the memory footprint is a concern, the developer creating the custom HTTPResponse object may freely
//	// use the calls to readDataOfLength as an indication to start generating more data.
//	// This provides an easy way for the HTTPResponse object to throttle its data allocation in step with the rate
//	// at which the socket is able to send it.
//	
//	NSUInteger writeQueueSize = [self writeQueueSize];
//	
//	if(writeQueueSize >= READ_CHUNKSIZE) return;
//	
//	NSUInteger available = READ_CHUNKSIZE - writeQueueSize;
//	NSData *data = [httpResponse readDataOfLength:available];
//	
//	if ([data length] > 0)
//	{
//		[responseDataSizes addObject:[NSNumber numberWithUnsignedInteger:[data length]]];
//		
//		BOOL isChunked = NO;
//		
//		if ([httpResponse respondsToSelector:@selector(isChunked)])
//		{
//			isChunked = [httpResponse isChunked];
//		}
//		
//		if (isChunked)
//		{
//			NSData *chunkSize = [self chunkedTransferSizeLineForLength:[data length]];
//			[asyncSocket writeData:chunkSize withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_CHUNKED_RESPONSE_HEADER];
//			
//			[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:HTTP_CHUNKED_RESPONSE_BODY];
//			
//			if([httpResponse isDone])
//			{
//				NSData *footer = [self chunkedTransferFooter];
//				[asyncSocket writeData:footer withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_RESPONSE];
//			}
//			else
//			{
//				NSData *footer = [GCDAsyncSocket CRLFData];
//				[asyncSocket writeData:footer withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_CHUNKED_RESPONSE_FOOTER];
//			}
//		}
//		else
//		{
//			long tag = [httpResponse isDone] ? HTTP_RESPONSE : HTTP_PARTIAL_RESPONSE_BODY;
//			[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:tag];
//		}
//	}
//}
//
///**
// * Sends more data, if needed, without growing the write queue over its approximate size limit.
// * The last chunk of the response body will be sent with a tag of HTTP_RESPONSE.
// * 
// * This method should only be called for single-range responses.
//**/
//- (void)continueSendingSingleRangeResponseBody
//{
//	HTTPLogTrace();
//	
//	// This method is called when either asyncSocket has finished writing one of the response data chunks,
//	// or when an asynchronous response informs us that is has more available data for us to send.
//	// In the case of the asynchronous response, we don't want to blindly grab the new data,
//	// and shove it onto asyncSocket's write queue.
//	// Doing so could negatively affect the memory footprint of the application.
//	// Instead, we always ensure that we place no more than READ_CHUNKSIZE bytes onto the write queue.
//	// 
//	// Note that this does not affect the rate at which the HTTPResponse object may generate data.
//	// The HTTPResponse is free to do as it pleases, and this is up to the application's developer.
//	// If the memory footprint is a concern, the developer creating the custom HTTPResponse object may freely
//	// use the calls to readDataOfLength as an indication to start generating more data.
//	// This provides an easy way for the HTTPResponse object to throttle its data allocation in step with the rate
//	// at which the socket is able to send it.
//	
//	NSUInteger writeQueueSize = [self writeQueueSize];
//	
//	if(writeQueueSize >= READ_CHUNKSIZE) return;
//	
//	DDRange range = [[ranges objectAtIndex:0] ddrangeValue];
//	
//	UInt64 offset = [httpResponse offset];
//	UInt64 bytesRead = offset - range.location;
//	UInt64 bytesLeft = range.length - bytesRead;
//	
//	if (bytesLeft > 0)
//	{
//		NSUInteger available = READ_CHUNKSIZE - writeQueueSize;
//		NSUInteger bytesToRead = bytesLeft < available ? (NSUInteger)bytesLeft : available;
//		
//		NSData *data = [httpResponse readDataOfLength:bytesToRead];
//		
//		if ([data length] > 0)
//		{
//			[responseDataSizes addObject:[NSNumber numberWithUnsignedInteger:[data length]]];
//			
//			long tag = [data length] == bytesLeft ? HTTP_RESPONSE : HTTP_PARTIAL_RANGE_RESPONSE_BODY;
//			[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:tag];
//		}
//	}
//}
//
///**
// * Sends more data, if needed, without growing the write queue over its approximate size limit.
// * The last chunk of the response body will be sent with a tag of HTTP_RESPONSE.
// * 
// * This method should only be called for multi-range responses.
//**/
//- (void)continueSendingMultiRangeResponseBody
//{
//	HTTPLogTrace();
//	
//	// This method is called when either asyncSocket has finished writing one of the response data chunks,
//	// or when an asynchronous HTTPResponse object informs us that is has more available data for us to send.
//	// In the case of the asynchronous HTTPResponse, we don't want to blindly grab the new data,
//	// and shove it onto asyncSocket's write queue.
//	// Doing so could negatively affect the memory footprint of the application.
//	// Instead, we always ensure that we place no more than READ_CHUNKSIZE bytes onto the write queue.
//	// 
//	// Note that this does not affect the rate at which the HTTPResponse object may generate data.
//	// The HTTPResponse is free to do as it pleases, and this is up to the application's developer.
//	// If the memory footprint is a concern, the developer creating the custom HTTPResponse object may freely
//	// use the calls to readDataOfLength as an indication to start generating more data.
//	// This provides an easy way for the HTTPResponse object to throttle its data allocation in step with the rate
//	// at which the socket is able to send it.
//	
//	NSUInteger writeQueueSize = [self writeQueueSize];
//	
//	if(writeQueueSize >= READ_CHUNKSIZE) return;
//	
//	DDRange range = [[ranges objectAtIndex:rangeIndex] ddrangeValue];
//	
//	UInt64 offset = [httpResponse offset];
//	UInt64 bytesRead = offset - range.location;
//	UInt64 bytesLeft = range.length - bytesRead;
//	
//	if (bytesLeft > 0)
//	{
//		NSUInteger available = READ_CHUNKSIZE - writeQueueSize;
//		NSUInteger bytesToRead = bytesLeft < available ? (NSUInteger)bytesLeft : available;
//		
//		NSData *data = [httpResponse readDataOfLength:bytesToRead];
//		
//		if ([data length] > 0)
//		{
//			[responseDataSizes addObject:[NSNumber numberWithUnsignedInteger:[data length]]];
//			
//			[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:HTTP_PARTIAL_RANGES_RESPONSE_BODY];
//		}
//	}
//	else
//	{
//		if (++rangeIndex < [ranges count])
//		{
//			// Write range header
//			NSData *rangeHeader = [ranges_headers objectAtIndex:rangeIndex];
//			[asyncSocket writeData:rangeHeader withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_PARTIAL_RESPONSE_HEADER];
//			
//			// Start writing range body
//			range = [[ranges objectAtIndex:rangeIndex] ddrangeValue];
//			
//			[httpResponse setOffset:range.location];
//			
//			NSUInteger available = READ_CHUNKSIZE - writeQueueSize;
//			NSUInteger bytesToRead = range.length < available ? (NSUInteger)range.length : available;
//			
//			NSData *data = [httpResponse readDataOfLength:bytesToRead];
//			
//			if ([data length] > 0)
//			{
//				[responseDataSizes addObject:[NSNumber numberWithUnsignedInteger:[data length]]];
//				
//				[asyncSocket writeData:data withTimeout:TIMEOUT_WRITE_BODY tag:HTTP_PARTIAL_RANGES_RESPONSE_BODY];
//			}
//		}
//		else
//		{
//			// We're not done yet - we still have to send the closing boundry tag
//			NSString *endingBoundryStr = [NSString stringWithFormat:@"\r\n--%@--\r\n", ranges_boundry];
//			NSData *endingBoundryData = [endingBoundryStr dataUsingEncoding:NSUTF8StringEncoding];
//			
//			[asyncSocket writeData:endingBoundryData withTimeout:TIMEOUT_WRITE_HEAD tag:HTTP_RESPONSE];
//		}
//	}
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Responses
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * Returns an array of possible index pages.
// * For example: {"index.html", "index.htm"}
//**/
//- (NSArray *)directoryIndexFileNames
//{
//	HTTPLogTrace();
//	
//	// Override me to support other index pages.
//	
//	return [NSArray arrayWithObjects:@"index.html", @"index.htm", nil];
//}
//
//- (NSString *)filePathForURI:(NSString *)path
//{
//	return [self filePathForURI:path allowDirectory:NO];
//}
//
///**
// * Converts relative URI path into full file-system path.
//**/
//- (NSString *)filePathForURI:(NSString *)path allowDirectory:(BOOL)allowDirectory
//{
//	HTTPLogTrace();
//	
//	// Override me to perform custom path mapping.
//	// For example you may want to use a default file other than index.html, or perhaps support multiple types.
//	
//	NSString *documentRoot = [config documentRoot];
//	
//	// Part 0: Validate document root setting.
//	// 
//	// If there is no configured documentRoot,
//	// then it makes no sense to try to return anything.
//	
//	if (documentRoot == nil)
//	{
//		HTTPLogWarn(@"%@[%p]: No configured document root", THIS_FILE, self);
//		return nil;
//	}
//	
//	// Part 1: Strip parameters from the url
//	// 
//	// E.g.: /page.html?q=22&var=abc -> /page.html
//	
//	NSURL *docRoot = [NSURL fileURLWithPath:documentRoot isDirectory:YES];
//	if (docRoot == nil)
//	{
//		HTTPLogWarn(@"%@[%p]: Document root is invalid file path", THIS_FILE, self);
//		return nil;
//	}
//	
//	NSString *relativePath = [[NSURL URLWithString:path relativeToURL:docRoot] relativePath];
//	
//	// Part 2: Append relative path to document root (base path)
//	// 
//	// E.g.: relativePath="/images/icon.png"
//	//       documentRoot="/Users/robbie/Sites"
//	//           fullPath="/Users/robbie/Sites/images/icon.png"
//	// 
//	// We also standardize the path.
//	// 
//	// E.g.: "Users/robbie/Sites/images/../index.html" -> "/Users/robbie/Sites/index.html"
//	
//	NSString *fullPath = [[documentRoot stringByAppendingPathComponent:relativePath] stringByStandardizingPath];
//	
//	if ([relativePath isEqualToString:@"/"])
//	{
//		fullPath = [fullPath stringByAppendingString:@"/"];
//	}
//	
//	// Part 3: Prevent serving files outside the document root.
//	// 
//	// Sneaky requests may include ".." in the path.
//	// 
//	// E.g.: relativePath="../Documents/TopSecret.doc"
//	//       documentRoot="/Users/robbie/Sites"
//	//           fullPath="/Users/robbie/Documents/TopSecret.doc"
//	// 
//	// E.g.: relativePath="../Sites_Secret/TopSecret.doc"
//	//       documentRoot="/Users/robbie/Sites"
//	//           fullPath="/Users/robbie/Sites_Secret/TopSecret"
//	
//	if (![documentRoot hasSuffix:@"/"])
//	{
//		documentRoot = [documentRoot stringByAppendingString:@"/"];
//	}
//	
//	if (![fullPath hasPrefix:documentRoot])
//	{
//		HTTPLogWarn(@"%@[%p]: Request for file outside document root", THIS_FILE, self);
//		return nil;
//	}
//	
//	// Part 4: Search for index page if path is pointing to a directory
//	if (!allowDirectory)
//	{
//		BOOL isDir = NO;
//		if ([[NSFileManager defaultManager] fileExistsAtPath:fullPath isDirectory:&isDir] && isDir)
//		{
//			NSArray *indexFileNames = [self directoryIndexFileNames];
//
//			for (NSString *indexFileName in indexFileNames)
//			{
//				NSString *indexFilePath = [fullPath stringByAppendingPathComponent:indexFileName];
//
//				if ([[NSFileManager defaultManager] fileExistsAtPath:indexFilePath isDirectory:&isDir] && !isDir)
//				{
//					return indexFilePath;
//				}
//			}
//
//			// No matching index files found in directory
//			return nil;
//		}
//	}
//
//	return fullPath;
//}
//
///**
// * This method is called to get a response for a request.
// * You may return any object that adopts the HTTPResponse protocol.
// * The HTTPServer comes with two such classes: HTTPFileResponse and HTTPDataResponse.
// * HTTPFileResponse is a wrapper for an NSFileHandle object, and is the preferred way to send a file response.
// * HTTPDataResponse is a wrapper for an NSData object, and may be used to send a custom response.
//**/
//- (NSObject<HTTPResponse> *)httpResponseForMethod:(NSString *)method URI:(NSString *)path
//{
//	HTTPLogTrace();
//	
//	// Override me to provide custom responses.
//	
//	NSString *filePath = [self filePathForURI:path allowDirectory:NO];
//	
//	BOOL isDir = NO;
//	
//	if (filePath && [[NSFileManager defaultManager] fileExistsAtPath:filePath isDirectory:&isDir] && !isDir)
//	{
//		return [[HTTPFileResponse alloc] initWithFilePath:filePath forConnection:self];
//	
//		// Use me instead for asynchronous file IO.
//		// Generally better for larger files.
//		
//	//	return [[[HTTPAsyncFileResponse alloc] initWithFilePath:filePath forConnection:self] autorelease];
//	}
//	
//	return nil;
//}
//
//- (WebSocket *)webSocketForURI:(NSString *)path
//{
//	HTTPLogTrace();
//	
//	// Override me to provide custom WebSocket responses.
//	// To do so, simply override the base WebSocket implementation, and add your custom functionality.
//	// Then return an instance of your custom WebSocket here.
//	// 
//	// For example:
//	// 
//	// if ([path isEqualToString:@"/myAwesomeWebSocketStream"])
//	// {
//	//     return [[[MyWebSocket alloc] initWithRequest:request socket:asyncSocket] autorelease];
//	// }
//	// 
//	// return [super webSocketForURI:path];
//	
//	return nil;
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Uploads
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * This method is called after receiving all HTTP headers, but before reading any of the request body.
//**/
//- (void)prepareForBodyWithSize:(UInt64)contentLength
//{
//	// Override me to allocate buffers, file handles, etc.
//}
//
///**
// * This method is called to handle data read from a POST / PUT.
// * The given data is part of the request body.
//**/
//- (void)processBodyData:(NSData *)postDataChunk
//{
//	// Override me to do something useful with a POST / PUT.
//	// If the post is small, such as a simple form, you may want to simply append the data to the request.
//	// If the post is big, such as a file upload, you may want to store the file to disk.
//	// 
//	// Remember: In order to support LARGE POST uploads, the data is read in chunks.
//	// This prevents a 50 MB upload from being stored in RAM.
//	// The size of the chunks are limited by the POST_CHUNKSIZE definition.
//	// Therefore, this method may be called multiple times for the same POST request.
//}
//
///**
// * This method is called after the request body has been fully read but before the HTTP request is processed.
//**/
//- (void)finishBody
//{
//	// Override me to perform any final operations on an upload.
//	// For example, if you were saving the upload to disk this would be
//	// the hook to flush any pending data to disk and maybe close the file.
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Errors
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * Called if the HTML version is other than what is supported
//**/
//- (void)handleVersionNotSupported:(NSString *)version
//{
//	// Override me for custom error handling of unsupported http version responses
//	// If you simply want to add a few extra header fields, see the preprocessErrorResponse: method.
//	// You can also use preprocessErrorResponse: to add an optional HTML body.
//	
//	HTTPLogWarn(@"HTTP Server: Error 505 - Version Not Supported: %@ (%@)", version, [self requestURI]);
//	
//	HTTPMessage *response = [[HTTPMessage alloc] initResponseWithStatusCode:505 description:nil version:HTTPVersion1_1];
//	[response setHeaderField:@"Content-Length" value:@"0"];
//    
//	NSData *responseData = [self preprocessErrorResponse:response];
//	[asyncSocket writeData:responseData withTimeout:TIMEOUT_WRITE_ERROR tag:HTTP_RESPONSE];
//	
//}
//
///**
// * Called if the authentication information was required and absent, or if authentication failed.
//**/
//- (void)handleAuthenticationFailed
//{
//	// Override me for custom handling of authentication challenges
//	// If you simply want to add a few extra header fields, see the preprocessErrorResponse: method.
//	// You can also use preprocessErrorResponse: to add an optional HTML body.
//	
//	HTTPLogInfo(@"HTTP Server: Error 401 - Unauthorized (%@)", [self requestURI]);
//		
//	// Status Code 401 - Unauthorized
//	HTTPMessage *response = [[HTTPMessage alloc] initResponseWithStatusCode:401 description:nil version:HTTPVersion1_1];
//	[response setHeaderField:@"Content-Length" value:@"0"];
//	
//	if ([self useDigestAccessAuthentication])
//	{
//		[self addDigestAuthChallenge:response];
//	}
//	else
//	{
//		[self addBasicAuthChallenge:response];
//	}
//	
//	NSData *responseData = [self preprocessErrorResponse:response];
//	[asyncSocket writeData:responseData withTimeout:TIMEOUT_WRITE_ERROR tag:HTTP_RESPONSE];
//	
//}
//
///**
// * Called if we receive some sort of malformed HTTP request.
// * The data parameter is the invalid HTTP header line, including CRLF, as read from GCDAsyncSocket.
// * The data parameter may also be nil if the request as a whole was invalid, such as a POST with no Content-Length.
//**/
//- (void)handleInvalidRequest:(NSData *)data
//{
//	// Override me for custom error handling of invalid HTTP requests
//	// If you simply want to add a few extra header fields, see the preprocessErrorResponse: method.
//	// You can also use preprocessErrorResponse: to add an optional HTML body.
//	
//	HTTPLogWarn(@"HTTP Server: Error 400 - Bad Request (%@)", [self requestURI]);
//	
//	// Status Code 400 - Bad Request
//	HTTPMessage *response = [[HTTPMessage alloc] initResponseWithStatusCode:400 description:nil version:HTTPVersion1_1];
//	[response setHeaderField:@"Content-Length" value:@"0"];
//	[response setHeaderField:@"Connection" value:@"close"];
//	
//	NSData *responseData = [self preprocessErrorResponse:response];
//	[asyncSocket writeData:responseData withTimeout:TIMEOUT_WRITE_ERROR tag:HTTP_FINAL_RESPONSE];
//	
//	
//	// Note: We used the HTTP_FINAL_RESPONSE tag to disconnect after the response is sent.
//	// We do this because we couldn't parse the request,
//	// so we won't be able to recover and move on to another request afterwards.
//	// In other words, we wouldn't know where the first request ends and the second request begins.
//}
//
///**
// * Called if we receive a HTTP request with a method other than GET or HEAD.
//**/
//- (void)handleUnknownMethod:(NSString *)method
//{
//	// Override me for custom error handling of 405 method not allowed responses.
//	// If you simply want to add a few extra header fields, see the preprocessErrorResponse: method.
//	// You can also use preprocessErrorResponse: to add an optional HTML body.
//	// 
//	// See also: supportsMethod:atPath:
//	
//	HTTPLogWarn(@"HTTP Server: Error 405 - Method Not Allowed: %@ (%@)", method, [self requestURI]);
//	
//	// Status code 405 - Method Not Allowed
//	HTTPMessage *response = [[HTTPMessage alloc] initResponseWithStatusCode:405 description:nil version:HTTPVersion1_1];
//	[response setHeaderField:@"Content-Length" value:@"0"];
//	[response setHeaderField:@"Connection" value:@"close"];
//	
//	NSData *responseData = [self preprocessErrorResponse:response];
//	[asyncSocket writeData:responseData withTimeout:TIMEOUT_WRITE_ERROR tag:HTTP_FINAL_RESPONSE];
//    
//	
//	// Note: We used the HTTP_FINAL_RESPONSE tag to disconnect after the response is sent.
//	// We do this because the method may include an http body.
//	// Since we can't be sure, we should close the connection.
//}
//
///**
// * Called if we're unable to find the requested resource.
//**/
//- (void)handleResourceNotFound
//{
//	// Override me for custom error handling of 404 not found responses
//	// If you simply want to add a few extra header fields, see the preprocessErrorResponse: method.
//	// You can also use preprocessErrorResponse: to add an optional HTML body.
//	
//	HTTPLogInfo(@"HTTP Server: Error 404 - Not Found (%@)", [self requestURI]);
//	
//	// Status Code 404 - Not Found
//	HTTPMessage *response = [[HTTPMessage alloc] initResponseWithStatusCode:404 description:nil version:HTTPVersion1_1];
//	[response setHeaderField:@"Content-Length" value:@"0"];
//	
//	NSData *responseData = [self preprocessErrorResponse:response];
//	[asyncSocket writeData:responseData withTimeout:TIMEOUT_WRITE_ERROR tag:HTTP_RESPONSE];
//	
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Headers
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * Gets the current date and time, formatted properly (according to RFC) for insertion into an HTTP header.
//**/
//- (NSString *)dateAsString:(NSDate *)date
//{
//	// From Apple's Documentation (Data Formatting Guide -> Date Formatters -> Cache Formatters for Efficiency):
//	// 
//	// "Creating a date formatter is not a cheap operation. If you are likely to use a formatter frequently,
//	// it is typically more efficient to cache a single instance than to create and dispose of multiple instances.
//	// One approach is to use a static variable."
//	// 
//	// This was discovered to be true in massive form via issue #46:
//	// 
//	// "Was doing some performance benchmarking using instruments and httperf. Using this single optimization
//	// I got a 26% speed improvement - from 1000req/sec to 3800req/sec. Not insignificant.
//	// The culprit? Why, NSDateFormatter, of course!"
//	// 
//	// Thus, we are using a static NSDateFormatter here.
//	
//	static NSDateFormatter *df;
//	
//	static dispatch_once_t onceToken;
//	dispatch_once(&onceToken, ^{
//		
//		// Example: Sun, 06 Nov 1994 08:49:37 GMT
//		
//		df = [[NSDateFormatter alloc] init];
//		[df setFormatterBehavior:NSDateFormatterBehavior10_4];
//		[df setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"GMT"]];
//		[df setDateFormat:@"EEE, dd MMM y HH:mm:ss 'GMT'"];
//		[df setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]];
//		
//		// For some reason, using zzz in the format string produces GMT+00:00
//	});
//	
//	return [df stringFromDate:date];
//}
//
///**
// * This method is called immediately prior to sending the response headers.
// * This method adds standard header fields, and then converts the response to an NSData object.
//**/
//- (NSData *)preprocessResponse:(HTTPMessage *)response
//{
//	HTTPLogTrace();
//	
//	// Override me to customize the response headers
//	// You'll likely want to add your own custom headers, and then return [super preprocessResponse:response]
//	
//	// Add standard headers
//	NSString *now = [self dateAsString:[NSDate date]];
//	[response setHeaderField:@"Date" value:now];
//	
//	// Add server capability headers
//	[response setHeaderField:@"Accept-Ranges" value:@"bytes"];
//	
//	// Add optional response headers
//	if ([httpResponse respondsToSelector:@selector(httpHeaders)])
//	{
//		NSDictionary *responseHeaders = [httpResponse httpHeaders];
//		
//		NSEnumerator *keyEnumerator = [responseHeaders keyEnumerator];
//		NSString *key;
//		
//		while ((key = [keyEnumerator nextObject]))
//		{
//			NSString *value = [responseHeaders objectForKey:key];
//			
//			[response setHeaderField:key value:value];
//		}
//	}
//	
//	return [response messageData];
//}
//
///**
// * This method is called immediately prior to sending the response headers (for an error).
// * This method adds standard header fields, and then converts the response to an NSData object.
//**/
//- (NSData *)preprocessErrorResponse:(HTTPMessage *)response
//{
//	HTTPLogTrace();
//	
//	// Override me to customize the error response headers
//	// You'll likely want to add your own custom headers, and then return [super preprocessErrorResponse:response]
//	// 
//	// Notes:
//	// You can use [response statusCode] to get the type of error.
//	// You can use [response setBody:data] to add an optional HTML body.
//	// If you add a body, don't forget to update the Content-Length.
//	// 
//	// if ([response statusCode] == 404)
//	// {
//	//     NSString *msg = @"<html><body>Error 404 - Not Found</body></html>";
//	//     NSData *msgData = [msg dataUsingEncoding:NSUTF8StringEncoding];
//	//     
//	//     [response setBody:msgData];
//	//     
//	//     NSString *contentLengthStr = [NSString stringWithFormat:@"%lu", (unsigned long)[msgData length]];
//	//     [response setHeaderField:@"Content-Length" value:contentLengthStr];
//	// }
//	
//	// Add standard headers
//	NSString *now = [self dateAsString:[NSDate date]];
//	[response setHeaderField:@"Date" value:now];
//	
//	// Add server capability headers
//	[response setHeaderField:@"Accept-Ranges" value:@"bytes"];
//	
//	// Add optional response headers
//	if ([httpResponse respondsToSelector:@selector(httpHeaders)])
//	{
//		NSDictionary *responseHeaders = [httpResponse httpHeaders];
//		
//		NSEnumerator *keyEnumerator = [responseHeaders keyEnumerator];
//		NSString *key;
//		
//		while((key = [keyEnumerator nextObject]))
//		{
//			NSString *value = [responseHeaders objectForKey:key];
//			
//			[response setHeaderField:key value:value];
//		}
//	}
//	
//	return [response messageData];
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark GCDAsyncSocket Delegate
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * This method is called after the socket has successfully read data from the stream.
// * Remember that this method will only be called after the socket reaches a CRLF, or after it's read the proper length.
//**/
//- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData*)data withTag:(long)tag
//{
//	if (tag == HTTP_REQUEST_HEADER)
//	{
//		// Append the header line to the http message
//		BOOL result = [request appendData:data];
//		if (!result)
//		{
//			HTTPLogWarn(@"%@[%p]: Malformed request", THIS_FILE, self);
//			
//			[self handleInvalidRequest:data];
//		}
//		else if (![request isHeaderComplete])
//		{
//			// We don't have a complete header yet
//			// That is, we haven't yet received a CRLF on a line by itself, indicating the end of the header
//			if (++numHeaderLines > MAX_HEADER_LINES)
//			{
//				// Reached the maximum amount of header lines in a single HTTP request
//				// This could be an attempted DOS attack
//				[asyncSocket disconnect];
//				
//				// Explictly return to ensure we don't do anything after the socket disconnect
//				return;
//			}
//			else
//			{
//				[asyncSocket readDataToData:[GCDAsyncSocket CRLFData]
//				                withTimeout:TIMEOUT_READ_SUBSEQUENT_HEADER_LINE
//				                  maxLength:MAX_HEADER_LINE_LENGTH
//				                        tag:HTTP_REQUEST_HEADER];
//			}
//		}
//		else
//		{
//			// We have an entire HTTP request header from the client
//			
//			// Extract the method (such as GET, HEAD, POST, etc)
//			NSString *method = [request method];
//			
//			// Extract the uri (such as "/index.html")
//			NSString *uri = [self requestURI];
//			
//			// Check for a Transfer-Encoding field
//			NSString *transferEncoding = [request headerField:@"Transfer-Encoding"];
//      
//			// Check for a Content-Length field
//			NSString *contentLength = [request headerField:@"Content-Length"];
//			
//			// Content-Length MUST be present for upload methods (such as POST or PUT)
//			// and MUST NOT be present for other methods.
//			BOOL expectsUpload = [self expectsRequestBodyFromMethod:method atPath:uri];
//			
//			if (expectsUpload)
//			{
//				if (transferEncoding && ![transferEncoding caseInsensitiveCompare:@"Chunked"])
//				{
//					requestContentLength = -1;
//				}
//				else
//				{
//					if (contentLength == nil)
//					{
//						HTTPLogWarn(@"%@[%p]: Method expects request body, but had no specified Content-Length",
//									THIS_FILE, self);
//						
//						[self handleInvalidRequest:nil];
//						return;
//					}
//					
//					if (![NSNumber parseString:(NSString *)contentLength intoUInt64:&requestContentLength])
//					{
//						HTTPLogWarn(@"%@[%p]: Unable to parse Content-Length header into a valid number",
//									THIS_FILE, self);
//						
//						[self handleInvalidRequest:nil];
//						return;
//					}
//				}
//			}
//			else
//			{
//				if (contentLength != nil)
//				{
//					// Received Content-Length header for method not expecting an upload.
//					// This better be zero...
//					
//					if (![NSNumber parseString:(NSString *)contentLength intoUInt64:&requestContentLength])
//					{
//						HTTPLogWarn(@"%@[%p]: Unable to parse Content-Length header into a valid number",
//									THIS_FILE, self);
//						
//						[self handleInvalidRequest:nil];
//						return;
//					}
//					
//					if (requestContentLength > 0)
//					{
//						HTTPLogWarn(@"%@[%p]: Method not expecting request body had non-zero Content-Length",
//									THIS_FILE, self);
//						
//						[self handleInvalidRequest:nil];
//						return;
//					}
//				}
//				
//				requestContentLength = 0;
//				requestContentLengthReceived = 0;
//			}
//			
//			// Check to make sure the given method is supported
//			if (![self supportsMethod:method atPath:uri])
//			{
//				// The method is unsupported - either in general, or for this specific request
//				// Send a 405 - Method not allowed response
//				[self handleUnknownMethod:method];
//				return;
//			}
//			
//			if (expectsUpload)
//			{
//				// Reset the total amount of data received for the upload
//				requestContentLengthReceived = 0;
//				
//				// Prepare for the upload
//				[self prepareForBodyWithSize:requestContentLength];
//				
//				if (requestContentLength > 0)
//				{
//					// Start reading the request body
//					if (requestContentLength == -1)
//					{
//						// Chunked transfer
//						
//						[asyncSocket readDataToData:[GCDAsyncSocket CRLFData]
//						                withTimeout:TIMEOUT_READ_BODY
//						                  maxLength:MAX_CHUNK_LINE_LENGTH
//						                        tag:HTTP_REQUEST_CHUNK_SIZE];
//					}
//					else
//					{
//						NSUInteger bytesToRead;
//						if (requestContentLength < POST_CHUNKSIZE)
//							bytesToRead = (NSUInteger)requestContentLength;
//						else
//							bytesToRead = POST_CHUNKSIZE;
//						
//						[asyncSocket readDataToLength:bytesToRead
//						                  withTimeout:TIMEOUT_READ_BODY
//						                          tag:HTTP_REQUEST_BODY];
//					}
//				}
//				else
//				{
//					// Empty upload
//					[self finishBody];
//					[self replyToHTTPRequest];
//				}
//			}
//			else
//			{
//				// Now we need to reply to the request
//				[self replyToHTTPRequest];
//			}
//		}
//	}
//	else
//	{
//		BOOL doneReadingRequest = NO;
//		
//		// A chunked message body contains a series of chunks,
//		// followed by a line with "0" (zero),
//		// followed by optional footers (just like headers),
//		// and a blank line.
//		// 
//		// Each chunk consists of two parts:
//		// 
//		// 1. A line with the size of the chunk data, in hex,
//		//    possibly followed by a semicolon and extra parameters you can ignore (none are currently standard),
//		//    and ending with CRLF.
//		// 2. The data itself, followed by CRLF.
//		// 
//		// Part 1 is represented by HTTP_REQUEST_CHUNK_SIZE
//		// Part 2 is represented by HTTP_REQUEST_CHUNK_DATA and HTTP_REQUEST_CHUNK_TRAILER
//		// where the trailer is the CRLF that follows the data.
//		// 
//		// The optional footers and blank line are represented by HTTP_REQUEST_CHUNK_FOOTER.
//		
//		if (tag == HTTP_REQUEST_CHUNK_SIZE)
//		{
//			// We have just read in a line with the size of the chunk data, in hex, 
//			// possibly followed by a semicolon and extra parameters that can be ignored,
//			// and ending with CRLF.
//			
//			NSString *sizeLine = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
//			
//			errno = 0;  // Reset errno before calling strtoull() to ensure it is always zero on success
//			requestChunkSize = (UInt64)strtoull([sizeLine UTF8String], NULL, 16);
//			requestChunkSizeReceived = 0;
//			
//			if (errno != 0)
//			{
//				HTTPLogWarn(@"%@[%p]: Method expects chunk size, but received something else", THIS_FILE, self);
//				
//				[self handleInvalidRequest:nil];
//				return;
//			}
//			
//			if (requestChunkSize > 0)
//			{
//				NSUInteger bytesToRead;
//				bytesToRead = (requestChunkSize < POST_CHUNKSIZE) ? (NSUInteger)requestChunkSize : POST_CHUNKSIZE;
//				
//				[asyncSocket readDataToLength:bytesToRead
//				                  withTimeout:TIMEOUT_READ_BODY
//				                          tag:HTTP_REQUEST_CHUNK_DATA];
//			}
//			else
//			{
//				// This is the "0" (zero) line,
//				// which is to be followed by optional footers (just like headers) and finally a blank line.
//				
//				[asyncSocket readDataToData:[GCDAsyncSocket CRLFData]
//				                withTimeout:TIMEOUT_READ_BODY
//				                  maxLength:MAX_HEADER_LINE_LENGTH
//				                        tag:HTTP_REQUEST_CHUNK_FOOTER];
//			}
//			
//			return;
//		}
//		else if (tag == HTTP_REQUEST_CHUNK_DATA)
//		{
//			// We just read part of the actual data.
//			
//			requestContentLengthReceived += [data length];
//			requestChunkSizeReceived += [data length];
//			
//			[self processBodyData:data];
//			
//			UInt64 bytesLeft = requestChunkSize - requestChunkSizeReceived;
//			if (bytesLeft > 0)
//			{
//				NSUInteger bytesToRead = (bytesLeft < POST_CHUNKSIZE) ? (NSUInteger)bytesLeft : POST_CHUNKSIZE;
//				
//				[asyncSocket readDataToLength:bytesToRead
//				                  withTimeout:TIMEOUT_READ_BODY
//				                          tag:HTTP_REQUEST_CHUNK_DATA];
//			}
//			else
//			{
//				// We've read in all the data for this chunk.
//				// The data is followed by a CRLF, which we need to read (and basically ignore)
//				
//				[asyncSocket readDataToLength:2
//				                  withTimeout:TIMEOUT_READ_BODY
//				                          tag:HTTP_REQUEST_CHUNK_TRAILER];
//			}
//			
//			return;
//		}
//		else if (tag == HTTP_REQUEST_CHUNK_TRAILER)
//		{
//			// This should be the CRLF following the data.
//			// Just ensure it's a CRLF.
//			
//			if (![data isEqualToData:[GCDAsyncSocket CRLFData]])
//			{
//				HTTPLogWarn(@"%@[%p]: Method expects chunk trailer, but is missing", THIS_FILE, self);
//				
//				[self handleInvalidRequest:nil];
//				return;
//			}
//			
//			// Now continue with the next chunk
//			
//			[asyncSocket readDataToData:[GCDAsyncSocket CRLFData]
//			                withTimeout:TIMEOUT_READ_BODY
//			                  maxLength:MAX_CHUNK_LINE_LENGTH
//			                        tag:HTTP_REQUEST_CHUNK_SIZE];
//			
//		}
//		else if (tag == HTTP_REQUEST_CHUNK_FOOTER)
//		{
//			if (++numHeaderLines > MAX_HEADER_LINES)
//			{
//				// Reached the maximum amount of header lines in a single HTTP request
//				// This could be an attempted DOS attack
//				[asyncSocket disconnect];
//				
//				// Explictly return to ensure we don't do anything after the socket disconnect
//				return;
//			}
//			
//			if ([data length] > 2)
//			{
//				// We read in a footer.
//				// In the future we may want to append these to the request.
//				// For now we ignore, and continue reading the footers, waiting for the final blank line.
//				
//				[asyncSocket readDataToData:[GCDAsyncSocket CRLFData]
//				                withTimeout:TIMEOUT_READ_BODY
//				                  maxLength:MAX_HEADER_LINE_LENGTH
//				                        tag:HTTP_REQUEST_CHUNK_FOOTER];
//			}
//			else
//			{
//				doneReadingRequest = YES;
//			}
//		}
//		else  // HTTP_REQUEST_BODY
//		{
//			// Handle a chunk of data from the POST body
//			
//			requestContentLengthReceived += [data length];
//			[self processBodyData:data];
//			
//			if (requestContentLengthReceived < requestContentLength)
//			{
//				// We're not done reading the post body yet...
//				
//				UInt64 bytesLeft = requestContentLength - requestContentLengthReceived;
//				
//				NSUInteger bytesToRead = bytesLeft < POST_CHUNKSIZE ? (NSUInteger)bytesLeft : POST_CHUNKSIZE;
//				
//				[asyncSocket readDataToLength:bytesToRead
//				                  withTimeout:TIMEOUT_READ_BODY
//				                          tag:HTTP_REQUEST_BODY];
//			}
//			else
//			{
//				doneReadingRequest = YES;
//			}
//		}
//		
//		// Now that the entire body has been received, we need to reply to the request
//		
//		if (doneReadingRequest)
//		{
//			[self finishBody];
//			[self replyToHTTPRequest];
//		}
//	}
//}
//
///**
// * This method is called after the socket has successfully written data to the stream.
//**/
//- (void)socket:(GCDAsyncSocket *)sock didWriteDataWithTag:(long)tag
//{
//	BOOL doneSendingResponse = NO;
//	
//	if (tag == HTTP_PARTIAL_RESPONSE_BODY)
//	{
//		// Update the amount of data we have in asyncSocket's write queue
//        if ([responseDataSizes count] > 0) {
//            [responseDataSizes removeObjectAtIndex:0];
//        }
//		
//		// We only wrote a part of the response - there may be more
//		[self continueSendingStandardResponseBody];
//	}
//	else if (tag == HTTP_CHUNKED_RESPONSE_BODY)
//	{
//		// Update the amount of data we have in asyncSocket's write queue.
//		// This will allow asynchronous responses to continue sending more data.
//        if ([responseDataSizes count] > 0) {
//            [responseDataSizes removeObjectAtIndex:0];
//        }
//		// Don't continue sending the response yet.
//		// The chunked footer that was sent after the body will tell us if we have more data to send.
//	}
//	else if (tag == HTTP_CHUNKED_RESPONSE_FOOTER)
//	{
//		// Normal chunked footer indicating we have more data to send (non final footer).
//		[self continueSendingStandardResponseBody];
//	}
//	else if (tag == HTTP_PARTIAL_RANGE_RESPONSE_BODY)
//	{
//		// Update the amount of data we have in asyncSocket's write queue
//        if ([responseDataSizes count] > 0) {
//            [responseDataSizes removeObjectAtIndex:0];
//        }
//		// We only wrote a part of the range - there may be more
//		[self continueSendingSingleRangeResponseBody];
//	}
//	else if (tag == HTTP_PARTIAL_RANGES_RESPONSE_BODY)
//	{
//		// Update the amount of data we have in asyncSocket's write queue
//        if ([responseDataSizes count] > 0) {
//            [responseDataSizes removeObjectAtIndex:0];
//        }
//		// We only wrote part of the range - there may be more, or there may be more ranges
//		[self continueSendingMultiRangeResponseBody];
//	}
//	else if (tag == HTTP_RESPONSE || tag == HTTP_FINAL_RESPONSE)
//	{
//		// Update the amount of data we have in asyncSocket's write queue
//		if ([responseDataSizes count] > 0)
//		{
//			[responseDataSizes removeObjectAtIndex:0];
//		}
//		
//		doneSendingResponse = YES;
//	}
//	
//	if (doneSendingResponse)
//	{
//		// Inform the http response that we're done
//		if ([httpResponse respondsToSelector:@selector(connectionDidClose)])
//		{
//			[httpResponse connectionDidClose];
//		}
//		
//		
//		if (tag == HTTP_FINAL_RESPONSE)
//		{
//			// Cleanup after the last request
//			[self finishResponse];
//			
//			// Terminate the connection
//			[asyncSocket disconnect];
//			
//			// Explictly return to ensure we don't do anything after the socket disconnects
//			return;
//		}
//		else
//		{
//			if ([self shouldDie])
//			{
//				// Cleanup after the last request
//				// Note: Don't do this before calling shouldDie, as it needs the request object still.
//				[self finishResponse];
//				
//				// The only time we should invoke [self die] is from socketDidDisconnect,
//				// or if the socket gets taken over by someone else like a WebSocket.
//				
//				[asyncSocket disconnect];
//			}
//			else
//			{
//				// Cleanup after the last request
//				[self finishResponse];
//				
//				// Prepare for the next request
//				
//				// If this assertion fails, it likely means you overrode the
//				// finishBody method and forgot to call [super finishBody].
//				NSAssert(request == nil, @"Request not properly released in finishBody");
//				
//				request = [[HTTPMessage alloc] initEmptyRequest];
//				
//				numHeaderLines = 0;
//				sentResponseHeaders = NO;
//				
//				// And start listening for more requests
//				[self startReadingRequest];
//			}
//		}
//	}
//}
//
///**
// * Sent after the socket has been disconnected.
//**/
//- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
//{
//	HTTPLogTrace();
//	
//	asyncSocket = nil;
//	
//	[self die];
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark HTTPResponse Notifications
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * This method may be called by asynchronous HTTPResponse objects.
// * That is, HTTPResponse objects that return YES in their "- (BOOL)isAsynchronous" method.
// * 
// * This informs us that the response object has generated more data that we may be able to send.
//**/
//- (void)responseHasAvailableData:(NSObject<HTTPResponse> *)sender
//{
//	HTTPLogTrace();
//	
//	// We always dispatch this asynchronously onto our connectionQueue,
//	// even if the connectionQueue is the current queue.
//	// 
//	// We do this to give the HTTPResponse classes the flexibility to call
//	// this method whenever they want, even from within a readDataOfLength method.
//	
//	dispatch_async(connectionQueue, ^{ @autoreleasepool {
//		
//		if (sender != httpResponse)
//		{
//			HTTPLogWarn(@"%@[%p]: %@ - Sender is not current httpResponse", THIS_FILE, self, THIS_METHOD);
//			return;
//		}
//		
//		if (!sentResponseHeaders)
//		{
//			[self sendResponseHeadersAndBody];
//		}
//		else
//		{
//			if (ranges == nil)
//			{
//				[self continueSendingStandardResponseBody];
//			}
//			else
//			{
//				if ([ranges count] == 1)
//					[self continueSendingSingleRangeResponseBody];
//				else
//					[self continueSendingMultiRangeResponseBody];
//			}
//		}
//	}});
//}
//
///**
// * This method is called if the response encounters some critical error,
// * and it will be unable to fullfill the request.
//**/
//- (void)responseDidAbort:(NSObject<HTTPResponse> *)sender
//{
//	HTTPLogTrace();
//	
//	// We always dispatch this asynchronously onto our connectionQueue,
//	// even if the connectionQueue is the current queue.
//	// 
//	// We do this to give the HTTPResponse classes the flexibility to call
//	// this method whenever they want, even from within a readDataOfLength method.
//	
//	dispatch_async(connectionQueue, ^{ @autoreleasepool {
//		
//		if (sender != httpResponse)
//		{
//			HTTPLogWarn(@"%@[%p]: %@ - Sender is not current httpResponse", THIS_FILE, self, THIS_METHOD);
//			return;
//		}
//		
//		[asyncSocket disconnectAfterWriting];
//	}});
//}
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark Post Request
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
///**
// * This method is called after each response has been fully sent.
// * Since a single connection may handle multiple request/responses, this method may be called multiple times.
// * That is, it will be called after completion of each response.
//**/
//- (void)finishResponse
//{
//	HTTPLogTrace();
//	
//	// Override me if you want to perform any custom actions after a response has been fully sent.
//	// This is the place to release memory or resources associated with the last request.
//	// 
//	// If you override this method, you should take care to invoke [super finishResponse] at some point.
//	
//	request = nil;
//	
//	httpResponse = nil;
//	
//	ranges = nil;
//	ranges_headers = nil;
//	ranges_boundry = nil;
//}
//
///**
// * This method is called after each successful response has been fully sent.
// * It determines whether the connection should stay open and handle another request.
//**/
//- (BOOL)shouldDie
//{
//	HTTPLogTrace();
//	
//	// Override me if you have any need to force close the connection.
//	// You may do so by simply returning YES.
//	// 
//	// If you override this method, you should take care to fall through with [super shouldDie]
//	// instead of returning NO.
//	
//	
//	BOOL shouldDie = NO;
//	
//	NSString *version = [request version];
//	if ([version isEqualToString:HTTPVersion1_1])
//	{
//		// HTTP version 1.1
//		// Connection should only be closed if request included "Connection: close" header
//		
//		NSString *connection = [request headerField:@"Connection"];
//		
//		shouldDie = (connection && ([connection caseInsensitiveCompare:@"close"] == NSOrderedSame));
//	}
//	else if ([version isEqualToString:HTTPVersion1_0])
//	{
//		// HTTP version 1.0
//		// Connection should be closed unless request included "Connection: Keep-Alive" header
//		
//		NSString *connection = [request headerField:@"Connection"];
//		
//		if (connection == nil)
//			shouldDie = YES;
//		else
//			shouldDie = [connection caseInsensitiveCompare:@"Keep-Alive"] != NSOrderedSame;
//	}
//	
//	return shouldDie;
//}
//
//- (void)die
//{
//	HTTPLogTrace();
//	
//	// Override me if you want to perform any custom actions when a connection is closed.
//	// Then call [super die] when you're done.
//	// 
//	// See also the finishResponse method.
//	// 
//	// Important: There is a rare timing condition where this method might get invoked twice.
//	// If you override this method, you should be prepared for this situation.
//	
//	// Inform the http response that we're done
//	if ([httpResponse respondsToSelector:@selector(connectionDidClose)])
//	{
//		[httpResponse connectionDidClose];
//	}
//	
//	// Release the http response so we don't call it's connectionDidClose method again in our dealloc method
//	httpResponse = nil;
//	
//	// Post notification of dead connection
//	// This will allow our server to release us from its array of connections
//	[[NSNotificationCenter defaultCenter] postNotificationName:HTTPConnectionDidDieNotification object:self];
//}
//
//@end
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma mark -
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//@implementation HTTPConfig
//
//@synthesize server;
//@synthesize documentRoot;
//@synthesize queue;
//
//- (id)initWithServer:(HTTPServer *)aServer documentRoot:(NSString *)aDocumentRoot
//{
//	if ((self = [super init]))
//	{
//		server = aServer;
//		documentRoot = aDocumentRoot;
//	}
//	return self;
//}
//
//- (id)initWithServer:(HTTPServer *)aServer documentRoot:(NSString *)aDocumentRoot queue:(dispatch_queue_t)q
//{
//	if ((self = [super init]))
//	{
//		server = aServer;
//		
//		documentRoot = [aDocumentRoot stringByStandardizingPath];
//		if ([documentRoot hasSuffix:@"/"])
//		{
//			documentRoot = [documentRoot stringByAppendingString:@"/"];
//		}
//		
//		if (q)
//		{
//			queue = q;
//			#if !OS_OBJECT_USE_OBJC
//			dispatch_retain(queue);
//			#endif
//		}
//	}
//	return self;
//}
//
//- (void)dealloc
//{
//	#if !OS_OBJECT_USE_OBJC
//	if (queue) dispatch_release(queue);
//	#endif
//}
//
//@end
